Journal
INORGANIC CHEMISTRY COMMUNICATIONS
Volume 11, Issue 4, Pages 392-395Publisher
ELSEVIER
DOI: 10.1016/j.inoche.2007.10.021
Keywords
peptide nucleic acid (PNA); ferrocene; azobenzene; electrochemistry; photochemistry
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Ferrocenyl-azobenzene carboxylic acid was synthesized and used as electrochemically and spectroscopically active marker that was conjugated to thymine PNA monomer. Ferrocenyl-azobenzene labeled PNA monomer of thymine (Fc-Azo-T) shows highly electrochemical and photochemical activity. The detection limit of Fc-Azo-T can reach 10(-6) M by using differential pulsed voltammogram (DPV), and the UV-vis limit is in the order 10(-7) M in ethanol. Fc-Azo-T can undergo facile isomerization by photoirradiation. The results give great motivity for synthesizing ferrocenyl-azobenzene labeled PNA oligomers used as an effective electrochemical and photochemical probes. (C) 2007 Elsevier B.V. All rights reserved.
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